/**
 * Copyright (C) 2006-2014 phloc systems
 * http://www.phloc.com
 * office[at]phloc[dot]com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package numbercruncher.program13_3;

/**
 * Interface for the parent of a PiBorwein object.
 */
interface IPiBorweinParent
{
  /**
   * Scale notification.
   * 
   * @param scale
   *        the scale being used
   */
  void notifyScale (int scale);

  /**
   * Phase notification.
   * 
   * @param phase
   *        the current phase
   */
  void notifyPhase (int phase);

  /**
   * Task notification.
   * 
   * @param task
   *        the current computation task
   */
  void notifyTask (String task);
}
